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双折射材料的温度修正 Birefringent Material Temperature Modification j1hx{P' DdG*eKC 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: tc%0yr9 ?->&)oAh 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline j%Cr)'H? Hc"FW5R 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline |vLlEN/S 3~uWrZ.u 3.Loop over the baseline material samples and determine the number of wavelength entries R2%>y5dD 4 -dV%DgC 4.Loop over each sampled wavelength entry in the baseline material R{hq1- U}]uPvu a.Modify the ordinary and extraordinary refractive index values using (2) above ?{bAyh/ Q x]zz4jD b.Apply the modified values to the non-baseline material nRL2Z5iO- kl90w 5.Set a description on the non-baseline material indicating the temperature change from baseline h+! _);;@T 脚本编程及GUI例程请下载链接: #VA8a=t /cN. -lEo% http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs ]*Tnu98G} aRh1Q=^@(4 http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ?7:?OX 6'^Gh B JL7"}^ QQ:2987619807 ^^{gn3xJ
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